function _element_info in Drupal 4

Same name and namespace in other branches

1. 5 includes/form.inc \_element_info()
2. 6 includes/form.inc \_element_info()

Retrieve the default properties for the defined element type.

Related topics

2 calls to _element_info()

drupal_get_form in includes/form.inc

Processes a form array and produces the HTML output of a form. If there is input in the $_POST['edit'] variable, this function will attempt to validate it, using drupal_validate_form(), and then submit the form using drupal_submit_form().

form_builder in includes/form.inc

Adds some required properties to each form element, which are used internally in the form api. This function also automatically assigns the value property from the $edit array, provided the element doesn't already have an assigned value.

File

includes/form.inc, line 594

Code

function _element_info($type, $refresh = null) {
  static $cache;
  $basic_defaults = array(
    '#description' => NULL,
    '#attributes' => array(),
    '#required' => FALSE,
    '#tree' => FALSE,
    '#parents' => array(),
  );
  if (!isset($cache) || $refresh) {
    $cache = array();
    foreach (module_implements('elements') as $module) {
      $elements = module_invoke($module, 'elements');
      if (isset($elements) && is_array($elements)) {
        $cache = array_merge_recursive($cache, $elements);
      }
    }
    if (sizeof($cache)) {
      foreach ($cache as $element_type => $info) {
        $cache[$element_type] = array_merge_recursive($basic_defaults, $info);
      }
    }
  }
  return $cache[$type];
}